A. Skeletal and muscular
the other three don’t have to do with this type of internal movement though as the abdominal region and internal organs don’t have to do with this, A is the only possible answer
It is easier to move through the vanes and hold oxygen better
When he died. Charlie's end of time line is when he died. Because the end of anything is its death.
The answer is D . Would you like me to explain ?
The answer to your question is the compact bone .